Biochemistry Quiz VOCABULARY UNIT 2

What is a type of protein that speeds up a chemical reaction in a living thing?

• Substrate

• Catalyst

• Enzyme

• Reactant

What is the reactant of an enzyme-catalyzed reaction called?

• Product

• Substrate

• Enzyme

• Catalyst

What is a substance that speeds up the rate of a chemical reaction?

• Reactant

• Product

• Catalyst

• Enzyme

What is the energy needed to get a reaction started called?

• Activation energy

• Denaturation

• Active site

• Chemical reaction

What is the part of an enzyme or antibody where the chemical reaction occurs?

• Substrate

• Active site

• Reactant

• Product

What is the loss of normal shape of a protein due to heat or another factor called?

• Activation energy

• Denaturation

• Chemical reaction

• Endosymbiotic theory

What is the process by which one or more substances change to produce one or more different substances?

• Reactant

• Product

• Chemical reaction

• Denaturation

What is a chemical substance that is present at the start of a chemical reaction?

• Product

• Reactant

• Catalyst

• Enzyme

What is a substance produced in a chemical reaction called?

• Reactant

• Substrate

• Product

• Catalyst

What is the theory that eukaryotic cells formed from a symbiosis among several different prokaryotic organisms?

• Abiogenesis

• Spontaneous Generation Theory

• Endosymbiotic theory

• Denaturation